Add new "show offline" icon, as discussed in review 112688
Add new "show offline" icon, as discussed in review 112688

KDE/ktp-common-internals,leonhandreke/ktp-common-internals,leonhandreke/ktp-common-internals,KDE/ktp-common-internals,leonhandreke/ktp-common-internals,KDE/ktp-common-internals